Lucas Sequence
Defined with \(L_0=2\), \(L_1=1\), and \(L_n=L_{n-1}+L_{n-2}\) when \(n\geq2\). Related to the Fibonacci sequence.
Table
Format: small prime × proven prime<size> × (probable prime)<size> × [composite]<size> × {unknown}<size>
| 452: | \[L_{452}\] | 7 × 2568263 × 81890647 × 8909495119748227149127799699351214961<37> × 2210998567519276821684677991308689801297601<43> |